CVE-2021-24161

Name: CVE-2021-24161
Creator: NVD / NIST
Published: 2021-04-05T19:15:15.17+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.25%

Last modified Jun 17, 2026

CVE-2021-24161 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. In the Reponsive Menu (free and Pro) WordPress plugins before 4.0.4, attackers could craft a request and trick an administrator into uploading a zip archive containing malicious PHP files. The attacker could then access those files to achieve remote code execution and further infect the targeted site.. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

In the Reponsive Menu (free and Pro) WordPress plugins before 4.0.4, attackers could craft a request and trick an administrator into uploading a zip archive containing malicious PHP files. The attacker could then access those files to achieve remote code execution and further infect the targeted site.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.25%

65.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Expresstech	Responsive Menu	< 4.0.4

References

https://wpscan.com/vulnerability/efca27e0-bdb6-4497-8330-081f909d6933Third Party Advisory
https://www.wordfence.com/blog/2021/02/multiple-vulnerabilities-patched-in-responsive-menu-plugin/Exploit, Third Party Advisory
https://wpscan.com/vulnerability/efca27e0-bdb6-4497-8330-081f909d6933Third Party Advisory
https://www.wordfence.com/blog/2021/02/multiple-vulnerabilities-patched-in-responsive-menu-plugin/Exploit, Third Party Advisory

Timeline

Published: Apr 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24161?

How severe is CVE-2021-24161?

CVE-2021-24161 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24161?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-24161?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST